Bug 1245185: Remove dead event handling code from nsPIDOMWindow<T>. r=smaug

dom/base/nsGlobalWindow.h

@@ -1427,7 +1427,7 @@ public:
   // |interval| is in milliseconds.
   nsresult SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,
                                 int32_t interval,
-                                bool aIsInterval, int32_t* aReturn) override;
+                                bool aIsInterval, int32_t* aReturn);
   int32_t SetTimeoutOrInterval(JSContext* aCx,
                                mozilla::dom::Function& aFunction,
                                int32_t aTimeout,
@@ -1437,13 +1437,7 @@ public:
                                int32_t aTimeout, bool aIsInterval,
                                mozilla::ErrorResult& aError);
   void ClearTimeoutOrInterval(int32_t aTimerID,
-                                  mozilla::ErrorResult& aError);
-  nsresult ClearTimeoutOrInterval(int32_t aTimerID) override
-  {
-    mozilla::ErrorResult rv;
-    ClearTimeoutOrInterval(aTimerID, rv);
-    return rv.StealNSResult();
-  }
+                              mozilla::ErrorResult& aError);
 
   // JS specific timeout functions (JS args grabbed from context).
   nsresult ResetTimersForNonBackgroundWindow();

dom/base/nsPIDOMWindow.h

@@ -216,14 +216,6 @@ public:
 
   virtual bool IsFrozen() const = 0;
 
-  // Add a timeout to this window.
-  virtual nsresult SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,
-                                        int32_t interval,
-                                        bool aIsInterval, int32_t *aReturn) = 0;
-
-  // Clear a timeout from this window.
-  virtual nsresult ClearTimeoutOrInterval(int32_t aTimerID) = 0;
-
   nsPIDOMWindowOuter* GetOuterWindow()
   {
     return mIsInnerWindow ? mOuterWindow.get() : AsOuter();